人口【じんこう】
population, common talk
人々【ひとびと】
people, men and women, each person, everybody
外国人【がいこくじん】
foreigner, foreign citizen, foreign national, alien, non-Japanese
個人【こじん】
individual, private person, personal, private, natural person
二人【ふたり】
two persons, two people, pair, couple
人間【にんげん】
human being, human, person, man, mankind, humankind, character (of a person)
人気【にんき】
popularity, public favor, condition (e.g. market), tone, character, nature
日本人【にほんじん】
Japanese person
法人【ほうじん】
corporation, corporate body, company, legal entity, legal person, juridical person
人権【じんけん】
human rights, civil liberties
人民【じんみん】
the people, citizens, the populace
人生【じんせい】
(one's) life
老人【ろうじん】
old person, senior citizen, the aged, the elderly
一人【ひとり】
one person, being alone, being by oneself, being single, being unmarried, by oneself, alone, just, only, simply
人物【じんぶつ】
person, character, figure, personage, man, woman, one's character, one's personality, able person, talented person
新人【しんじん】
new face, newcomer, rookie, fresh recruit, modern humans (from Cro-Magnon man onwards)
本人【ほんにん】
the person in question, the person themselves, said person
夫人【ふじん】
wife, Mrs, madam, wife of a nobleman (aristocrat, etc.), consort of the emperor
友人【ゆうじん】
friend
人事【じんじ】
personnel affairs, human affairs, human resources, HR